Home / 13,018.08-19,527.13-3,657.72

Finding the Fourth Proportional to 13,018.08, 19,527.13 and 3,657.72

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Solution

The fourth proportional to 13,018.08, 19,527.13 and 3,657.72 is: 5,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.08 : 19,527.13 = 3,657.72 : x
  2. Step 2: Convert to fraction form
    13,018.08/19,527.13 = 3,657.72/x
  3. Step 3: Cross multiply
    13,018.08x = 19,527.13 × 3,657.72
  4. Step 4: Simplify right side
    13,018.08x = 71,424,831.17
  5. Step 5: Solve for x
    x = 71,424,831.17/13,018.08
  6. Step 6: Final answer
    x = 5,486.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.